/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package pegasus

import "github.com/apache/incubator-pegasus/go-client/idl/rrdb"

// FilterType defines the type of key filtering.
type FilterType int

// Filter types
const (
	FilterTypeNoFilter      = FilterType(rrdb.FilterType_FT_NO_FILTER)
	FilterTypeMatchAnywhere = FilterType(rrdb.FilterType_FT_MATCH_ANYWHERE)
	FilterTypeMatchPrefix   = FilterType(rrdb.FilterType_FT_MATCH_PREFIX)
	FilterTypeMatchPostfix  = FilterType(rrdb.FilterType_FT_MATCH_POSTFIX)
)

// Filter is used to filter based on the key.
type Filter struct {
	Type    FilterType
	Pattern []byte
}
